Agar - Uses And Side Effects
A jelly-like substance, agar comes from various species of red marine algae, including Gelidium cartilagineum and Gracilaria confervoides. Bacteriologists use agar as a culture medium, and some herbalists recommend it as a laxative. Many pharmaceutical and food products contain agar as an emulsifying and suspending agent.
Nutrient agar is used throughout the world as a medium for the growth of bacteria and fungi, but not viruses. Though less than 1% of all existing bacteria can be grown successfully, the basic agar formula can be used to grow most of the microbes, whose needs are known. More specific nutrient agars are available, because microbes can be picky. For example, blood agar, which is generally combined with horse blood, can be used to detect the presence of haemorrhagic micro-organisms such as E.coli O:157 H:7. The bacteria digest the blood, turning the plate clear.
Common doses of Agar
Agar comes as dry powder and in flakes and strips. Some experts recommend the following dose:
Uses of Agar
Side effects of Agar
Call your health care practitioner if you experience any of these possible side effects of agar:
Combining agar products with certain drugs may alter their action or produce unwanted side effects. Don't use agar while taking:
Important points to remember
What the research shows
No long-term studies have evaluated agar's effects on mineral and nutrient absorption in people. With more effective bulkforming laxatives such as psyllium available, medical experts see no need to use agar to treat constipation.
Other names for Agar
Other names for agar include agar-agar, Chinese gelatin, colle du japon, E406, gelose, Japanese gelatin, Japanese isinglass, lay or carang, and vegetable gelatin.
Products containing agar are sold under such names as Agarbil, Agoral, Agoral Plain, Demosvelte-N, Falqui, Lexat, Paragar, and Pseudophage.
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